Malicious PDF — malware analysis report

Static analysis result for SHA-256 5491504059f2ffbe…

MALICIOUS

PDF

17.5 KB Created: 2019-08-02 07:37:16 +01:00 Authoring application: mPDF 5.7
MD5: fb935f9afd80a17922ebabd1aae5b9e6 SHA-1: 825406ea77666701ab289ba8cf45cc8d68f6e27c SHA-256: 5491504059f2ffbe7ae94b8869d27acd26e725825ac8e65ba5d5fc97e49296bb
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, identified as a link farm. The primary heuristic indicates this is a critical PDF SEO link farm, suggesting the document's purpose is to drive traffic to external sites. While the document body is heavily obfuscated, the presence of numerous links to book titles on the domain 'cefasfese.4pu.com' indicates a likely SEO spam or content-scraping lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://cefasfese.4pu.com/8736739735730/A-Million-Guilty-Pleasures-Million-Dollar-Duet-2-by-C-L-Parker.pdf
    • http://cefasfese.4pu.com/2737739731738737/A-Million-Dirty-Secrets-Million-Dollar-Duet-1-by-C-L-Parker.pdf
    • http://cefasfese.4pu.com/5739732739734/The-Million-Dollar-Divorce-by-R-M-Johnson.pdf
    • http://cefasfese.4pu.com/4732730737735736/The-Million-Dollar-Bloodhunt-by-Joe-Millard.pdf
    • http://cefasfese.4pu.com/5738736735738734/The-Two-Million-Dollar-Hit-by-James-A-Cran.pdf
    • http://cefasfese.4pu.com/2739737731739734/Million-Dollar-Wife-by-Margaret-O-39-Neil.pdf
    • http://cefasfese.4pu.com/3736730734739734/The-Million-Dollar-Bond-Robbery-by-Agatha-Christie.pdf
    • http://cefasfese.4pu.com/3739730739737736/The-Millionaire-s-Secret-Wish-Million-Dollar-Men-3-by-Leanne-Banks.pdf
    • http://cefasfese.4pu.com/9736731730730738/The-Million-Dollar-Catch-Bundle-by-Susan-Mallery.pdf
    • http://cefasfese.4pu.com/1730739730733735730/Abandoned-Sail-Away-Million-Dollar-Baby-by-Lisa-Jackson.pdf
    • http://cefasfese.4pu.com/1734738732738731/A-Million-Different-Ways-to-Lose-You-Horn-Duet-2-by-P-Dangelico.pdf
    • http://cefasfese.4pu.com/1730735736738730739/Million-Dollar-Amnesia-Scandal-Bramson-Brothers-2-by-Rachel-Bailey.pdf
    • http://cefasfese.4pu.com/4737731734733733/Million-Dollar-Party-A-Restaurant-Memoir-by-Robert-Mark-Ihrig.pdf
    • http://cefasfese.4pu.com/5736730733736739/Saved-by-the-Sheikh-Million-Dollar-Marriage-Merger-by-Tessa-Radley.pdf
    • http://cefasfese.4pu.com/1738730739730730/Don-t-Take-any-Wooden-Nickels-The-Million-Dollar-Mysteries-2-by-Mindy-Starns-Clark.pdf
    • http://cefasfese.4pu.com/3737736734730739/Million-Dollar-Baby-A-Marjorie-McClelland-Mystery-1-by-Amy-Patricia-Meade.pdf
    • http://cefasfese.4pu.com/1738730739736730/A-Dime-a-Dozen-The-Million-Dollar-Mysteries-3-by-Mindy-Starns-Clark.pdf
    • http://cefasfese.4pu.com/9730739733730732/The-Heart-is-a-Sleeping-Beauty-The-Million-Dollar-Hotel-by-Donata-Wenders.pdf
    • http://cefasfese.4pu.com/1730732738734734737/The-Beach-Bum-Millionaire-How-To-Build-A-Million-Dollar-Business-The-Lazy-Way-by-Anthony-Khoury.pdf
    • http://cefasfese.4pu.com/3733730730739730/Plateau-to-Pinnacle-9-SECRETS-OF-A-MILLION-DOLLAR-FINANCIAL-ADVISOR-by-Erin-Tamberella.pdf
    • http://cefasfese.4pu.com/1734738732738731/A-Million-Different-Ways-to-Lose-You-Horn-Duet

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